Find what is increase in temperature of the brakes

Assignment Help Physics
Reference no: EM13552716

A 767 kg car moving at 21 m/s brakes to a stop. The brakes contain about 16 kg of iron that absorb the energy. What is increase in temperature of the brakes? Assume the speci?c heat of iron is 450 J/kg ·?C.

Reference no: EM13552716

Questions Cloud

Estimate how far does the coin roll before coming to rest : A coin with a diameter of 2.30 cm is dropped on edge onto a horizontal surface. The coin starts out with an initial angular speed of 15.5 rad/s and rolls in a straight line without slipping. how far does the coin roll before coming to rest
How old is bob when he arrives : Bob takes off for a planet that is 100 LY away moving in a rocket ship at .9999c relative to Earth when he is 10 years old. How old is Bob (in years) when he arrives
Prepare an income statement for october for cbs : Prepare an income statement for October for CBS - Prepare Statements for a Service Company
Driving the internationalization of business : What major factors are driving the internationalization of business? List and describe the major challenges to the development of global systems. Explain why some firms have not planned for the development of internationalization systems.
Find what is increase in temperature of the brakes : A 767 kg car moving at 21 m/s brakes to a stop. The brakes contain about 16 kg of iron that absorb the energy. What is increase in temperature of the brakes
The pros and cons of quoting project times aggressiely : What are the pros and cons of quoting project times aggressively? Conservatilvely?
Estimate what is the maximum efficiency possible : The supersonic low altitude missile (vought SLAM) had an atomic engine operating at 1500 degrees celsius. What is the maximum efficiency possible
In what ways does stoker create the impression that jonathan : In what ways does Stoker create the impression that Jonathan is traveling to a part of the world beyond the reach of an ordinary Victorian reader?
Prepare contribution margin income statement : Prepare a gross margin income statement and a contribution margin income statement

Reviews

Write a Review

Physics Questions & Answers

  What is the particles velocity given time

A 500g particle has velocity vx = -5.0m/s at t = -2s. Force Fx = (4-t^2)N is exerted on the particle between t = -2s and t = 2s. What is the particle's velocity at t = 2s

  What is the volume of the gas after expansion

7.84 g of argon gas at an initial pressure of 4.34 atm and at 16°C undergo an isobaric expansion until the volume has increased in five times. What is the volume of the gas after expansion

  Find the direction of the total movement of the driver

Consider a map oriented so that the x axis runs east-west (with east being the "positive" direction), find the direction of the total movement of the driver

  Find the speed of each asteroid after the collision

Two asteroids of equal mass collide with a glancing blow. Asteroid A, which was originally traveling at 40.0 m/s, is deflected 30.0? from its original direction, Find the speed of each asteroid after the collision

  What is an electric field between the plates

What is an electric field between the plates? Towards which plate is it directed.

  What is the tangential acceleration of the car

To avoid a rear-end collision with a slow moving vehicle ahead, you step on the accelerator and increase your angular speed to 13.4 x 10-2 rads/s in a time of 8 s. What is the tangential acceleration of the car

  What is the strength of the magnetic field

A metal rod 0.72m long moves with a speed of 2.2m/s perpendicular to a magnetic field. what is the strength of the magnetic field

  What is the gauge pressure of the air in the tires

An automobile tire has a volume of 1 .64 x 10-2 m3 and contains air at a gauge pressure of 165 kPa when the temperature is 0.000C. What is the gauge pressure of the air in the tires

  Find the kinetic energy of the comet in joules

A comet with a mass of 7.75 1011 kg strikes Earth at a speed of 26 km/s. Find the kinetic energy of the comet in joules

  What is magnitude of the speed of the boat relative to shore

What is magnitude of the speed of the boat relative to a stationary shore observer. A person stands at a point that is 4 m from one of the speakers and 4.4 m from the other. Does the person hear the tone? Explain.

  How much additional energy does the capacitor store

A 1.0 μF capacitor has a potential difference of 6.0 V applied across its plates. how much additional energy does the capacitor store

  At what angle is the curve banked

A curve of radius 53.8 m is banked so that a car of mass 2.5 Mg traveling with uniform speed 56 km/hr can round the curve without relying on friction to keep it from slipping on the surface

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd